let ejs = require('ejs');
let heredoc = require('heredoc');

let tpl = heredoc(function() {/*
    <xml>
        <ToUserName><![CDATA[<%= toUserName %>]]></ToUserName> 
        <FromUserName><![CDATA[<%= fromUserName %>]]></FromUserName>
        <CreateTime><%= createTime %></CreateTime>
        <MsgType><![CDATA[<%= msgType %>]]></MsgType>
        <% if(msgType === 'text') {%>
            <Content><![CDATA[<%= content %>]]></Content> 
        <% }else if(msgType === 'image') {%>   
            <Image>
                <MediaId><![CDATA[<%= content.mediaId %>]]></MediaId>
            </Image>
        <% }else if(msgType === 'voice') {%> 
            <Voice>
                <MediaId><![CDATA[<%= content.mediaId %>]]></MediaId>
            </Voice>    
        <% }else if(msgType === 'video') {%> 
            <Video>
                <MediaId><![CDATA[<%= content.mediaId %>]]></MediaId>
                <Title><![CDATA[<%= content.title %>]]></Title>
                <Description><![CDATA[<%= content.description %>]]></Description>
            </Video>    
        <% }else if(msgType === 'music') {%> 
            <Music>
                <Title><![CDATA[<%= content.title %>]]></Title>
                <Description><![CDATA[<%= content.description %>]]></Description>
                <MusicUrl><![CDATA[<%= content.musicUrl %>]]></MusicUrl>
                <HQMusicUrl><![CDATA[<%= content.hqMusicUrl %>]]></HQMusicUrl>
                <ThumbMediaId><![CDATA[<%= content.thumbMediaId %>]]></ThumbMediaId>
            </Music>    
        <% }else if(msgType === 'news') {%> 
            <ArticleCount><%= content.length %></ArticleCount>
            <Articles>
                <% content.forEach(function(item) { %>
                    <item>
                        <Title><![CDATA[<%= item.title %>]]></Title> 
                        <Description><![CDATA[<%= item.description %>]]></Description>
                        <PicUrl><![CDATA[<%= item.picUrl %>]]></PicUrl>
                        <Url><![CDATA[<%= item.url %>]]></Url>
                    </item>
                 <% }) %>   
            </Articles>
        <% } %>    
    </xml>
*/})

let compiled = ejs.compile(tpl);

exports = module.exports = {
    compiled: compiled
}